Carrier profile · USDOT 589355 · MC-284052 · Updated Jun 13, 2026
GREGORY E MAZZA JR
DBA GEM TRANSPORTATION
3 power unitsGRAFTON, MA80/100
CARRIER ACTIVEMC-284052 ACTIVEHAZMAT
Operations & Lanes
Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.
Inspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
GRAFTON, MA
Density
fewermore